here, i think president obama was helping us understand that will what will nelson mandela was first and foremost a son of south africa, but more than that, he became a father to the modern world, to the moral path forward as he saw it. >> all right. david gergen, thank you so much. appreciate your perspective. michael, it's interesting you and i asked christiane amanpour whether or not there would be any lesson that all those world leaders coming together would go have based on mandela. we saw that happened shake today between the president and the cuban president. >> something happened. >> from cuba to the u.s. and also china, had royalty, rock stars. the breadth of those, you had people there who all came together for nelson mandela which was fascinating >> a wonderful moment. here's more of what we're working on "around the world." ice, wind, sleet snow hitting the east coast for another day. even federal offices in washington, d.c. are closed. we're tracking the flights and the roads up ahead. no matter how busy your morning you can always do something better for yourself. and b